Malicious PDF — malware analysis report

Static analysis result for SHA-256 c27d30b0cbb86017…

MALICIOUS

PDF

72.2 KB Created: 2020-08-12 13:49:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ad7ed9d38b6746b53de540638869a8ff SHA-1: 688b6ea555afca3080ca03d7efade07408004cde SHA-256: c27d30b0cbb860170027a35e30f6cb800ca8e359c6e85828295f10e58ef85157
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links to external PDFs, including one hosted on 'cdn.shopify.com'. The document body, though heavily obfuscated, contains the target URL, suggesting a social engineering lure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.com/pify?keyword=abu+hamid+al+ghazali+livre+pdf In PDF document text
    • http://files.westtexasguitarfestival.com/uploads/1/3/0/7/130740517/9439314.pdfIn PDF document text
    • http://tukalesol.hopemdunbar.com/uploads/1/3/0/7/130775795/kaninugaruxef-vizor-sewobugupugover.pdfIn PDF document text
    • http://files.gmroofcleaning.co.uk/uploads/1/3/0/7/130739489/rarijalatunividorut.pdfIn PDF document text
    • http://files.bulverdepregnancy.net/uploads/1/3/1/8/131857717/0a3c24.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7201/9877/files/nys_notary_exam_study_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9105/0137/files/wekuwirufulutafaminazul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5942/1092/files/bokujalasesajel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6289/4495/files/nesasifovexowiludovof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5250/7036/files/29459613663.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4222/5831/files/bogulowosi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3234/6773/files/92327392883.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7355/1001/files/86470406507.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7763/2154/files/27609932427.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7630/4544/files/alistair_begg_books.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 6

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c676.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC676 5516 bytes
SHA-256: 4590ef2f50367d0130704cd99af748056248ffadd9c13c7243025ca3efb2867a
font_01_sfnt_off0000d921.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD921 10360 bytes
SHA-256: be91bb120f4c42e9ad1614a5d47a4e6bc48d8d4c6e9f072c762ba1ffd10348b4
font_02_sfnt_off0000fca1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFCA1 16508 bytes
SHA-256: f962580c1d98906c835a6f3990d380033f5e8988c38f7986cad092fad2748877

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